Isotopologues of C2H2

Broadening coefficients for C2H2

Note: unless otherwise stated, the broadening coefficients for the principal (most abundant) isotopologue can be used for other isotopologues of the same molecule.


  1. Wilzewski, J. S., Gordon, I. E., Kochanov, R. V., Hill, C., Rothman, L. S., "H2, He, and CO2 line-broadening coefficients, pressure shifts and temperature-dependence exponents for the HITRAN database. Part 1: SO2, NH3, HF, HCl, OCS and C2H2", Journal of Quantitative Spectroscopy and Radiative Transfer 168, 193-206 (2016). [link to article][16WiGoKo.SO2]